下列选项中动物性原料最易消化的是（）。
A、鱼肉
B、鸡肉
C、牛肉
D、猪肉
参考答案：A
——Why did you not come to the party?
——I ______ it, but my car broke down on the way.
A．attended
B．had attended
C．would attend
D．would have attended
下列选项中，肝肿瘤与口服避孕药有关（）
A.海绵状血管瘤
B.脂肪瘤
C.腺瘤
D.错构瘤
E.畸胎瘤
